/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
  background-color: #ffffff;
  font-size: 16px;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 16px;
}

p {
  margin-bottom: 16px;
  color: #6b7280;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 14px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
  background: white;
  color: #374151;
  border: 1px solid #d1d5db;
}

.btn-secondary:hover {
  background: #f9fafb;
  border-color: #9ca3af;
}

.btn-outline {
  background: transparent;
  color: #667eea;
  border: 1px solid #667eea;
}

.btn-outline:hover {
  background: #667eea;
  color: white;
}

.btn-large {
  padding: 16px 32px;
  font-size: 16px;
}

.btn-full {
  width: 100%;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e5e7eb;
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-brand .logo {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  color: #374151;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: #667eea;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: #374151;
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  overflow: hidden;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  margin-bottom: 24px;
}

.badge {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(102, 126, 234, 0.1);
  color: #667eea;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 500;
}

.hero-title {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  color: #1a1a1a;
}

.gradient-text {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: #667eea; /* Fallback color */
  display: inline;
}

.hero-description {
  font-size: 20px;
  color: #6b7280;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-bottom: 60px;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: #1a1a1a;
}

.stat-label {
  font-size: 14px;
  color: #6b7280;
  font-weight: 500;
}

.hero-visual {
  display: flex;
  justify-content: center;
  margin-top: 40px;
}

.dashboard-mockup {
  background: white;
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  max-width: 600px;
  width: 100%;
}

.mockup-header {
  display: flex;
  align-items: center;
  padding: 16px 20px;
  background: #f8fafc;
  border-bottom: 1px solid #e5e7eb;
}

.mockup-dots {
  display: flex;
  gap: 8px;
  margin-right: 16px;
}

.mockup-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #d1d5db;
}

.mockup-dots span:nth-child(1) { background: #ef4444; }
.mockup-dots span:nth-child(2) { background: #f59e0b; }
.mockup-dots span:nth-child(3) { background: #10b981; }

.mockup-title {
  font-size: 14px;
  font-weight: 500;
  color: #6b7280;
}

.mockup-content {
  padding: 24px;
}

.chat-interface {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-message {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.chat-message.user {
  justify-content: flex-end;
}

.chat-message.user .message-text {
  background: #667eea;
  color: white;
  margin-left: auto;
}

.ai-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  flex-shrink: 0;
}

.message-text {
  background: #f3f4f6;
  padding: 12px 16px;
  border-radius: 16px;
  max-width: 280px;
  font-size: 14px;
  line-height: 1.4;
}

/* Sections */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-title {
  font-size: 40px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 16px;
}

.section-description {
  font-size: 18px;
  color: #6b7280;
  max-width: 600px;
  margin: 0 auto;
}

/* Features Section */
.features {
  padding: 100px 0;
  background: white;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
}

.feature-card {
  padding: 32px;
  border-radius: 16px;
  background: white;
  border: 1px solid #e5e7eb;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
  border-color: #667eea;
}

.feature-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.feature-title {
  font-size: 20px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 12px;
}

.feature-description {
  color: #6b7280;
  line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
  padding: 100px 0;
  background: #f8fafc;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 48px;
  max-width: 800px;
  margin: 0 auto;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 18px;
  flex-shrink: 0;
}

.step-title {
  font-size: 24px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 8px;
}

.step-description {
  color: #6b7280;
  line-height: 1.6;
}

/* Social Proof Section */
.social-proof {
  padding: 100px 0;
  background: white;
}

.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
}

.testimonial {
  padding: 32px;
  background: white;
  border-radius: 16px;
  border: 1px solid #e5e7eb;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.testimonial-content p {
  font-size: 16px;
  line-height: 1.6;
  color: #374151;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 18px;
}

.author-name {
  font-weight: 600;
  color: #1a1a1a;
  display: block;
}

.author-title {
  font-size: 14px;
  color: #6b7280;
}

/* Pricing Section */
.pricing {
  padding: 100px 0;
  background: #f8fafc;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  background: white;
  border-radius: 16px;
  padding: 32px;
  border: 1px solid #e5e7eb;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
  border-color: #667eea;
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.2);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 6px 16px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 600;
}

.pricing-title {
  font-size: 24px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 8px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  margin-bottom: 8px;
}

.price {
  font-size: 48px;
  font-weight: 700;
  color: #1a1a1a;
}

.period {
  font-size: 16px;
  color: #6b7280;
  margin-left: 4px;
}

.pricing-description {
  color: #6b7280;
  margin-bottom: 32px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
}

.pricing-features li {
  padding: 8px 0;
  color: #374151;
  position: relative;
  padding-left: 24px;
}

.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #10b981;
  font-weight: 600;
}

/* CTA Section */
.cta {
  padding: 100px 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-align: center;
}

.cta-title {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
  color: white;
}

.cta-description {
  font-size: 18px;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  color: rgba(255, 255, 255, 0.9);
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 24px;
}

.cta-actions .btn-primary {
  background: white;
  color: #667eea;
}

.cta-actions .btn-primary:hover {
  background: #f9fafb;
}

.cta-actions .btn-secondary {
  background: transparent;
  color: white;
  border-color: rgba(255, 255, 255, 0.3);
}

.cta-actions .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
}

.cta-note {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
}

/* Footer */
.footer {
  padding: 60px 0 32px;
  background: #1a1a1a;
  color: white;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
  display: block;
}

.footer-description {
  color: #9ca3af;
  max-width: 300px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: white;
}

.footer-link {
  display: block;
  color: #9ca3af;
  text-decoration: none;
  margin-bottom: 8px;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: #667eea;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid #374151;
}

.footer-copyright {
  color: #9ca3af;
  font-size: 14px;
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal .footer-link {
  margin-bottom: 0;
  font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero-title {
    font-size: 40px;
  }
  
  .hero-description {
    font-size: 18px;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 24px;
  }
  
  .section-title {
    font-size: 32px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .step {
    flex-direction: column;
    text-align: center;
  }
  
  .testimonials {
    grid-template-columns: 1fr;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-title {
    font-size: 32px;
  }
  
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .hero {
    padding: 100px 0 60px;
  }
  
  .hero-title {
    font-size: 32px;
  }
  
  .section-title {
    font-size: 28px;
  }
  
  .features,
  .how-it-works,
  .social-proof,
  .pricing,
  .cta {
    padding: 60px 0;
  }
}